Randomized clinical trial, which objective is to assess the effectiveness of 70º alcohol compared with neutral soap on the cord separation time of a selection of newborns. 34 newborns admitted to the maternity ward of the hospital have participated. The study is divided into two phases, hospital and home. The first stage is located in the hospital, where the patients who will become part of the study are chosen. After receiving the informed letting of the legal guardian the second part of this phase is started; which aim is to explain the steps to be followed to make a correct cleaning cord technique. The home phase consists of being in contact with the family through Whatsapp on the 5th day from birth, the day of the cord fall and 5 days after this fall. Making some simple questions with simple answers such as yes or no and with the possibility, or not, of sending a picture of the cord state in each follow-up visit.